Update README accordingly

README.md

@@ -35,6 +35,8 @@ FetchContent_MakeAvailable (IHTACMakeCommon)
 
 init_project ()
 
+option (PROJECT_WITH_UNIT_TESTS "Add unit tests for project" OFF)
+
 project (AwesomeProjectName
     LANGUAGES CXX C
     VERSION 1.0.0
@@ -53,6 +55,7 @@ ihta_add_library (
     OUT_TEST TEST_TARGET        # The name of the unit test target will be stored in `TEST_TARGET`. Useful for adding dependencies to the target. See below.
     TEST_SOURCES test/test.cpp  # This adds a unit test with the given source files.
     TEST_INTERNALS              # With this option, the internals of the library can be unit tested as well.
+    ADD_UNIT_TEST ${PROJECT_WITH_UNIT_TESTS} # This option can enable or disable the unit tests.
 )
 
 # Add external library link to library
@@ -78,7 +81,10 @@ packageProject (
 
 # Needed so the object library knows the location of the generated headers from packageProject.
 target_include_directories (${LIB_TARGET} PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/PackageProjectInclude>")
-target_include_directories (${TEST_TARGET} PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/PackageProjectInclude>")
+
+if (PROJECT_WITH_UNIT_TESTS)
+    target_include_directories (${TEST_TARGET} PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/PackageProjectInclude>")
+endif ()
 
 build_doc (
     ADD_DEV_SECTION OFF